Automatic Reclosing Device

MT51

MT51 automatic recloser device is designed to automatically restart the associated protective device after it has an untimely trip. The time sequence and the max. the reclosing number can be set in the device. The MT51 can be in conjunction with Acti 9 series from Schneider as well. Dry contact and RS485 are options.

Specification Product pictures Data download

Features

Remote reclosing of iC65 MCB, RCBO, RCCB of Acti 9 Range from Schneider and MCB MM50H, RCBO

MR50-32, RCBO50-40, RCCB ML50H

Remote control of iC65 MCB, RCBO, RCCB through PLC or platform with RS485 connection

Remote control of iC65 MCB, RCBO, RCCB through dry contact connection

Reclosing times and delay times can be set up and adjusted as per request.

Reclose itself if there is no faulty, and it may output the signal to remote terminals if it is faulty

Padlocking to secure the circuit and assure the safety of people when maintainance

Together with MCB, RCBO, and RCCB, it may offer overload, short circuit, and earth leakage protection.

Local control via the handle

Communication: RS 485

With remote auxiliary contact NO & NC

Auto Recloser Circuit Diagram

Electrical Features
	Item Code	MT51RA/MT51NA/MT51RS/MT51NS
	Rated Voltage Ue (Vac)	230
	Rated Frequency (Hz)	50/60
	Power Consumption (VA)	3
	Standby Power	0.5
	Insulation Voltage Ui (Vac)	4000V/min
	Trip Time (s)	<0.1
	Trips (Times)	Reclose adjustable (times): 0,1,2,3, 4, 5, 6, 7, 8, 9
	Time Delay (s)	0, 10, 20, 30, 45, 60, 90, 120, 150, 180 (adjustable)
	Reclosing Time (s)	-
	Reset System (ISPDT)	Rated Current 5A (250VAC) resistant load
	Pollution Degree	2
Mechnical Features
	Width (mm)	36
	Electrical Life (times)	10000
	Mechanical Life (times)	20000
	Protection Degree	IP20
	Reference Temperature for Setting of Thermal Elecment (℃)	30
	Ambient Temperature (℃)	-25---+55
	Storage Temperature (℃)	-40---+70
Installation
	Humidity (℃)	95%
	Terminal Connection Type	Cable
	Terminal Size Top/Bottom for Cable (mm2)	1x25.2x25
	*Tightening Torque (Nm)**	4
	Mounting	On Din rail En60715(35mm) by means of fast clip device
	Connection	From top to bottom
Communication Port		Remote auxiliary contacts NO & NC RS485 communication port
Compatiable Device		MCB,RCCB,RCBO from Matismart, Chint, Nader and Schneider. Customized.